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Free download in PDF Fibrous and Globular Proteins Objective Type Questions & Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(21)
Choose the correct category for milk protein casein out of the followings
[A]
Nucleoprotein
[B]
Phospho protein
[C]
Lipoprotein
[D]
Glycoprotein
(22)
Which of the amino acids below is the uncharged derivative of an acidic amino acid?
[A]
Cystine
[B]
Tyrosine
[C]
Glutamine
[D]
Serine
(23)
Which of the following amino acids in myoglobin, a globular protein, is highly likely to be localized within the interior of the molecule?
[A]
Arginine
[B]
Valine
[C]
Aspartic acid
[D]
Lysine
(24)
Which of the characteristics below apply to amino acid Glycine?
[A]
Optically inactive
[B]
Hydrophilic, basic and charged
[C]
Hydrophobic
[D]
Hydrophilic, acidic and charged
Answer: Optically inactive
(25)
Which one of the following amino acids may be considered a hydrophobic amino acid at physiological p H of 7.4?
[A]
Isoleucine
[B]
Arginine
[C]
Aspartic acid
[D]
Threonine
(26)
A child with tall stature, loose joints, and detached retinas is found to have a mutation in collagen. Which of the following amino acids is the recurring amino acid most likely to be altered in mutations that distort collagen molecules?
[A]
Glycine
[B]
Tyrosine
[C]
Tryptophan
[D]
Tyrosine
(27)
In scurvy, which amino acid that is normally part of collagen is not synthesized?
[A]
Hydroxy Tryptophan
[B]
Hydroxy Tyrosine
[C]
Hydroxy Alanine
[D]
Hydroxy Proline
(28)
The highest concentration of cystine can be found in-
[A]
Melanin
[B]
Keratin
[C]
Collagen
[D]
Myosin
(29)
Which of the following amino acids is most compatible with an α- helical structure?
[A]
Tryptophan
[B]
Alanine
[C]
Leucine
[D]
Proline
(30)
Choose the Anticancer peptide out of the followings-
[A]
Bleomycin
[B]
Methotrexate
[C]
Cytosine Arabinoside
[D]
Dideoxy Inosine
31
Which out of the following is a peptide antibiotic?
[A]
Erythromycin
[B]
Gramicidin
[C]
Ciprofloxacin
[D]
Tetracycline
32
All the below mentioned proteins are metalloproteins except-
[A]
Carbonic anhydrase
[B]
Xanthine oxidase
[C]
Lactate dehydrogenase
[D]
Superoxide dismutase
Answer: Lactate dehydrogenase
33
Which out of the following is not a haemo protein ?
[A]
Catalase
[B]
Myeloperoxidase
[C]
Glutathione peroxidase
[D]
Aconitase
34
Which of the following amino acid is a limiting amino acid in pulses?
[A]
Leucine
[B]
Lysine
[C]
Methionine
[D]
Glutamine
35
Which out of the followings is not a fibrous protein?
[A]
Carbonic anhydrase
[B]
Collagen
[C]
Fibrinogen
[D]
Keratin
Answer: Carbonic anhydrase
36
Which of the following peptides is cyclic in nature-?
[A]
Glutathione
[B]
Gramicidin
[C]
Met encephalin
[D]
Leuencephalin
37
The greatest buffering capacity at physiological p H would be provided by a protein rich in which of the following amino acids?
[A]
Serine
[B]
Cysteine
[C]
Alanine
[D]
Histidine
38
Which out of the following amino acid is a precursor of niacin (Vitamin)?
[A]
Tyrosine
[B]
Threonine
[C]
Tryptophan
[D]
Phenylalanine
39
All of the following amino acids are both glucogenic as well as ketogenic except
[A]
Isoleucine
[B]
Leucine
[C]
Tyrosine
[D]
Phenyl alanine
40
All of the below mentioned amino acids can participate in hydrogen bonding except one
[A]
Serine
[B]
Cysteine
[C]
Threonine
[D]
Valine
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